#588C7B
Closest named color: Dusty Teal (#4C9085). oklch(59.8% 0.062 171.4), rgb(88, 140, 123).
Aa
Black text reads best on this color (5.45:1).
About this color
#588C7B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.062 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.017 away. Black text reads best on it, at 5.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.45:1 |
| White text | 3.85:1 |
Values
| HEX | #588C7B |
| RGB | rgb(88, 140, 123) |
| HSL | hsl(160, 23%, 45%) |
| OKLCH | oklch(59.8% 0.062 171.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #588C7B | 3.85:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #588C7B | 5.45:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #588C7B text on white | 3.85:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #588C7B text on black | 5.45:1 | AA | Lc -35.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CFDDD8
oklch(88.6% 0.016 172.6)
-
Step 300
300
#AEC7BE
oklch(80.8% 0.03 171.9)
-
Step 400
400
#82AB9D
oklch(70.7% 0.049 171.9)
-
Step 500
500 (this color)
#588C7B
oklch(59.8% 0.062 171.4)
-
Step 600
600
#47806E
oklch(55.5% 0.067 171.3)
-
Step 700
700
#386C5C
oklch(49% 0.062 171.5)
-
Step 800
800
#2F584B
oklch(42.6% 0.052 171.2)
-
Step 900
900
#2A493F
oklch(37.8% 0.041 171.5)
-
Step 950
950
#192B25
oklch(27.1% 0.026 171.3)
#588C7B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #89867A | 0.064 |
| Deuteranopia (no green cones) | #807F7C | 0.061 |
| Tritanopia (no blue cones) | #498D87 | 0.021 |
| Achromatopsia (no color) | #828282 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588C7B
#588C7B
oklch(59.8% 0.062 171.4)
- #9D7184
#9D7184
oklch(59.9% 0.061 351.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #588C7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.017
- Slate Green #658D6D ΔE 0.025
- Sea #3C9992 ΔE 0.044
- Grey Teal #5E9B8A ΔE 0.045
- Green Grey #77926F ΔE 0.046
- Ocean Green #3D9973 ΔE 0.049
- Dark Sage #598556 ΔE 0.051
- Steel Grey #6F828A ΔE 0.051
Use #588C7B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.